Résultats de la recherche
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Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters
Abstract: The use of allozymes as a tool in stock structure analysis was examined in the ... . Clearly resolved enzyme phenotypes were obtained at 18 loci, of which 7 exhibited polymorphism at the 0.95 ... ; phosphoglucose mutase, PGM-II 2.7.5.1; pyruvate kinase, PK 2.7.1.40). Routine scoring of 116 fish at the 18 loci ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ...
Meeting Document : WG-FSA-90/10 : Auteur(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)
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Fish prey of the wandering albatross Diomedea exulans at South Georgia
Abstract: The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... (estimated from otolith length) of the main species was Pseudochaenichthys 51%, Muraenolepis 14 ...
Meeting Document : SC-CAMLR-VII/BG/05 : Auteur(s): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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Preliminary observation about the possibility of Antarctic krill escapement from a trawl net
Abstract: We observed whether Antarctic krill escaped from the trawl net or not using an ... underwater video camera attached on the trawl net of Japanese commercial trawler Fukuei-maru (4,350.62 GT) in ... 2011. To avoid the influence of camera lighting on krill behavior, the observation was conducted during ... daytime. Few krill appeared to escape from posterior part of trawl net. When the trawl net caught dense ...
Meeting Document : WG-EMM-12/66 : Auteur(s): K. Fujita and S. Hasegawa (Japan)
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Molecular and morphological identification of Macrourus species caught as by-catch in the toothfish longline fisheries in CCAMLR Subareas 48.3 and 48.4.
Abstract: Genetic identification of grenadiers taken as bycatch in the toothfish longline fishery ... in the ability to morphologically distinguish between M. carinatus and M. holotrachys. Four species ... of Macrourus were identified genetically in the Southern Ocean and confirmed the presence of a ... recently described new species M. species. M. holotrachys was indistinguishable genetically from the ...
Meeting Document : WG-FSA-12/35 : Auteur(s): E. Fitzcharles, K. Brigden, S. Gregory, M. Belchier and J. Brown (United Kingdom)
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Results of a CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2013
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... first survey was completed in February (Hanchet al. 2012a). In this paper we provide the results of the ... second survey in the time series. The objectives of this second survey were: To carry out a longline ...
Meeting Document : WG-SAM-13/32 : Auteur(s): S.J. Parker, S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and R. Sarralde (Spain)
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Estimation of the green weight of krill caught
Abstract: Vessels operating in the krill fishery in CCAMLR’s Convention Area have been required ... to directly estimate the green weight of krill caught since 2012/13. The estimation methods were ... parameter values are reported in each vessel’s haul-by-haul catch and effort data. This paper reviews the ... data reported in 2013/14 (to May 2014). Vessels fishing in 2013/14 used six methods for the direct ...
Meeting Document : WG-EMM-14/29 : Auteur(s): Secretariat
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Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)
Abstract: This report presents the results of the Second International Workshop for identifying ... Marine Protected Areas (MPAs) in Domain 1 of CCAMLR. The workshop was held in Buenos Aires, Argentina ... , from 25 to 29 May 2015. During the workshop, discussions were concentrated in reviewing and analyzing ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ...
Meeting Document : WG-EMM-15/42 : Auteur(s): Second WS-MPA Domain 1
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The Hongjin 707: Case study and recommended next steps for CCAMLR
Abstract: This paper provides an overview of the case of the Korean fishing vessel Hongjin 707 ... and recommendations for actions from CCAMLR. Since the Hongjin 707 has engaged in IUU fishing, it is ... appropriate for CCAMLR to include the vessel on the Contracting Party (CP)-IUU list and to request Korea to ... withdraw its notifications for the vessel for the 2016-2017 fishing season. It is critical for CCAMLR and ...
Meeting Document : CCAMLR-XXXV/BG/08 : Auteur(s): Submitted by ASOC
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2016/17
Abstract: SCAR is an interdisciplinary body of the International Council for Science (ICSU), and ... coordinating high quality international scientific research in the Antarctic region (including the Southern ... promote scientific knowledge, understanding and education on any aspect of the Antarctic region and its ... role in the Earth System. SCAR also provides independent and objective scientific advice and ...
Meeting Document : SC-CAMLR-XXXVI/BG/13 : Auteur(s): Submitted by SCAR
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Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
Abstract: This paper outlines the specific research objectives and plan to achieve them for the ... third year of an agreed 3-year longline survey, in the wider context of connecting the recently ... undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The overall research ... analysis plan leading towards the development of a stock hypothesis for the eastern regions of 48.2 and ...
Meeting Document : WG-SAM-18/15 : Auteur(s): M. Söffker and M. Belchier